Fix kupo plutusv2 script from kupo (#253)

* Fix kupo plutusv2 script from kupo

* Formatting

* Apply try_fix_hash procedure if kupo is available

* Fix import

Author: nielstron

pycardano/backend/ogmios.py

@@ -16,6 +16,7 @@
     GenesisParameters,
     ProtocolParameters,
 )
+from pycardano.backend.blockfrost import _try_fix_script
 from pycardano.exception import TransactionFailedException
 from pycardano.hash import DatumHash, ScriptHash
 from pycardano.network import Network
@@ -343,13 +344,11 @@ def _utxos_kupo(self, address: str) -> List[UTxO]:
                     kupo_script_url = self._kupo_url + "/scripts/" + script_hash
                     script = requests.get(kupo_script_url).json()
                     if script["language"] == "plutus:v2":
-                        script = PlutusV2Script(
-                            cbor2.loads(bytes.fromhex(script["script"]))
-                        )
+                        script = PlutusV2Script(bytes.fromhex(script["script"]))
+                        script = _try_fix_script(script_hash, script)
                     elif script["language"] == "plutus:v1":
-                        script = PlutusV1Script(
-                            cbor2.loads(bytes.fromhex(script["script"]))
-                        )
+                        script = PlutusV1Script(bytes.fromhex(script["script"]))
+                        script = _try_fix_script(script_hash, script)
                     else:
                         raise ValueError("Unknown plutus script type")